package com.xavier.dong.bio;

import java.io.IOException;
import java.io.InputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

/**
 * @author XavierDong
 **/
public class BIOServer {

    public static void main(String[] args) throws IOException {

        //  线程池机制

        ExecutorService newCachedThreadPool = Executors.newCachedThreadPool();

        // 创建 ServerSocket
        ServerSocket serverSocket = new ServerSocket(6666);
        System.out.println("服务器启动了！");

        while (true) {

            System.out.println("等待连接。。。。。");
            // 监听,等待客户端连接'
            final Socket socket = serverSocket.accept();
            System.out.println("连接到一个客户端！");

            // 创建一个线程 ，与之通讯
            newCachedThreadPool.execute(() -> {
                // 可以和客户端通讯的
                handler(socket);
            });

        }


    }

    /**
     * 编写个 handler 方法 和 客户端通讯
     */
    private static void handler(Socket socket) {

        System.out.println("线程信息 id=" + Thread.currentThread().getId() + "线程名称=" + Thread.currentThread().getName());

        byte[] bytes = new byte[1024];

        // 通过socket 获取一个输入流
        try (InputStream inputStream = socket.getInputStream()) {

            // 循环的读取客户端发送的数据
            while (true) {

                System.out.println("线程信息 id=" + Thread.currentThread().getId() + "线程名称=" + Thread.currentThread().getName());

                System.out.println("read......");

                int read = inputStream.read(bytes);

                if (read != -1)
                    // 输出客户端发送的数据
                    System.out.println(new String(bytes, 0, read));
                else
                    break;
            }

        } catch (IOException e) {
            e.printStackTrace();
        }

    }
}
